gae/frontend/src/app/menu/dashboard/dashboard.component.scss

.mat-card {
  width: 50%;

  .mat-raised-button {
    position: absolute;
    top: 10px;
    right: 10px;
    min-width: 28px;
    width: 28px;
    height: 28px;
    padding: 0;
    .mat-icon {
      width: 24px;
      height: 24px;
    }
  }
}